[Koha-bugs] [Bug 9500] GetNormalizedISBN only ever checks the first populated ISBN field

[bugzilla-daemon at bugs.koha-community.org]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=9500

--- Comment #2 from Barton Chittenden <barton at bywatersolutions.com> ---
Oh, the badness goes *so* much deeper: GetNormalizedISBN calls _isbn_cleanup():

sub _isbn_cleanup {
    my ($isbn) = @_;
    return NormalizeISBN(
        {
            isbn          => $isbn,
            format        => 'ISBN-10',
            strip_hyphens => 1,
        }
    ) if $isbn;
}

... So if the first ISBN isn't a valid *10 digit* isbn, GetNormalizedISBN will
fail.

I've attached a MARCXML record which will trigger the bug.

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